Depozite în Continente de Est
Asia
China, India
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
Africa
Morocco, Namibia
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Austria, Italy, Romania, Spain, Switzerland
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Depozite în Continente de Vest
America de Nord
Mexico, USA
Canada, USA
America de Sud
Brazil, Colombia
Brazil, Chile, Colombia, Uruguay, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Queensland, South Australia, Tasmania, Western Australia